The aim of this article is to describe the structure of Fe species of catalysts of Feferrierite using Mössbauer spectroscopy in situ measurements. It was possible to describe the dehydration procedure and the redox behaviour of the studied catalysts in the redox cycles, where O2 and N2O were used for the oxidation. The results showed that the experimental arrangement is suitable for the description of Fe-species of the Fe-zeolites structures.PACS : 76.80.+y
A combined pulse generator and digitizer based on a RISC processor has been designed and tested by 59Co NMR. The pulse generator provides a 16-bit TTL-level output with 100 ns resolution and is programmable in the high-level language FORTH. The digitizer supports two channels, each with a 10 bit, 40 MSPS analog-digital converter and online averaging in a 24×1024 bit memory, which is directly accessible by the RISC processor.
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